让我添加这段代码，因为这里的其他答案对我来说并不清楚：
您需要创建自己的myFiles状态并使用onDrop函数更新它，然后使用remove函数从本地状态中删除该文件。

import React, { useState, useCallback } from "react"
import { useDropzone } from "react-dropzone"

function Basic(props) {
  const [myFiles, setMyFiles] = useState([])

  const onDrop = useCallback(acceptedFiles => {
    setMyFiles([...myFiles, ...acceptedFiles])
  }, [myFiles])

  const { getRootProps, getInputProps } = useDropzone({
    onDrop,
  })

  const removeFile = file => () => {
    const newFiles = [...myFiles]
    newFiles.splice(newFiles.indexOf(file), 1)
    setMyFiles(newFiles)
  }

  const removeAll = () => {
    setMyFiles([])
  }

  const files = myFiles.map(file => (
    <li key={file.path}>
      {file.path} - {file.size} bytes{" "}
      <button onClick={removeFile(file)}>Remove File</button>
    </li>
  ))

  return (
    <section className="container">
      <div {...getRootProps({ className: "dropzone" })}>
        <input {...getInputProps()} />
        <p>Drag 'n' drop some files here, or click to select files</p>
      </div>
      <aside>
        <h4>Files</h4>
        <ul>{files}</ul>
      </aside>
      {files.length > 0 && <button onClick={removeAll}>Remove All</button>}
    </section>
  )
}

export default Basic

您可能已经可以使用它了，但只需要将其附加到click处理程序：

const remove = file => {
  const newFiles = [...files];     // make a var for the new array
  newFiles.splice(file, 1);        // remove the file from the array
  setFiles(newFiles);              // update the state
};

并在Map中传递数字：acceptedFiles.map(file...应为acceptedFiles.map((file, i)....
然后得到<button type="button" onClick={() => remove(i)> DeleteButton</button>，其中i是数组中文件的编号。

我希望这对你有帮助：

import React, { useState, useEffect, useCallback } from 'react'
import { useDropzone } from 'react-dropzone'

const CreateFileUpload = () => {
  const onDrop = useCallback(acceptedFiles => {
    // Do something with the files
  }, [])
  const { getRootProps, getInputProps, isDragActive, acceptedFiles } = useDropzone({ onDrop, accept: '.png, .jpeg' })
  const files = acceptedFiles.map((file, i) => (
    <li key={file.path} className="selected-file-item">
      {file.path}  <i className="fa fa-trash text-red" onClick={() => remove(i)}></i>
    </li>
  ));
  const remove = file => {
    const newFiles = [...files];     // make a var for the new array
    acceptedFiles.splice(file, 1);        // remove the file from the array
  };
  return (
    <div>
      <div {...getRootProps()} className="dropzone-main">
        <div
          className="ntc-start-files-dropzone"
          aria-disabled="false"
        >
        </div>
        <button className="add-button" type="button">
          <i className="fa fa-plus"></i>
        </button>
        <h3 className="upload-title">
          <span></span>
        </h3>
        <input
          type="file"
          multiple=""
          autocomplete="off"
          className="inp-file"
          // onChange={uploadFile}
          multiple
          {...getInputProps()}
        />
        {isDragActive ?
          <div></div>
          :
          <div>
            <p>  Upload files  </p>
          </div>
        }
      </div>
      <aside>
        {files.length > 0 ? <h5>Selected Files</h5> : <h5></h5>}
        <ul>{files}</ul>
      </aside>
    </div>
  )
}
export default CreateFileUpload

当您删除文件时，将该数据添加到您的状态中，它应该允许您访问该数据，以便您可以删除。
大致如下：

onDrop = (files) => {
  // use a foreach loop get the file name using Object.keys
  // setState with the file names
  // whatever else you need to do to process the file
}

handleDelete = () => {
  // use the file names from your state to delete the files
}

在那里的某个地方，你必须把它和jsx结合起来。你还需要保持它和你发送到服务器的任何东西同步。这应该和你的组件状态一起完成。